GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Corvette 🢒 Engine 🢒 Engine Cooling 🢒 Radiator Inlet Hose Replacement

Radiator Inlet Hose Replacement LS3, LS7

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure
  1. Drain the cooling system. Refer to Cooling System Draining and Filling.
  2. Remove the radiator support. Refer to Radiator Support Replacement.

    3. Object Number: 2100443 Size: SH
  3. Disengage tension on the radiator inlet hose clamp (1) at the radiator using J 38185 Hose Clamp Pliers .
  4. Disconnect the radiator inlet hose (2) from the radiator.

    5. Object Number: 2100442 Size: SH
  5. Disengage tension on the radiator inlet hose clamp (1) at the water pump using J 38185 Hose Clamp Pliers .
  6. Disconnect the radiator inlet hose (2) from the water pump.
  7. Remove the radiator inlet hose from the vehicle.

Installation Procedure

    Caution: Make sure the reference marks on the hoses and the radiator are lined up. A twist on the hose would place strain on the radiator fitting which could cause the fitting to crack or break.

    Note: Lubricate the inside diameters of the hose with clean coolant prior to installation.

  1. Install the radiator inlet hose to the vehicle.

    2. Object Number: 2100442 Size: SH
  2. Connect the radiator inlet hose (2) to the water pump.
  3. Engage tension on the radiator inlet hose clamp (1) at the water pump using J 38185 Hose Clamp Pliers .

    4. Object Number: 2100443 Size: SH
  4. Connect the radiator inlet hose (2) to the radiator.
  5. Engage tension on the radiator inlet hose clamp (1) at the radiator using J 38185 Hose Clamp Pliers .
  6. Install the radiator support. Refer to Radiator Support Replacement.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling.

Radiator Inlet Hose Replacement LS9

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure
  1. Drain the cooling system. Refer to Cooling System Draining and Filling.
  2. Remove the radiator support. Refer to Radiator Support Replacement.

    3. Object Number: 2100439 Size: SH
  3. Disconnect the radiator inlet hose quick connect fitting (1) at the radiator.
  4. Disconnect the radiator inlet hose (2) from the radiator.

    5. Object Number: 2100441 Size: SH
  5. Disengage tension on the radiator inlet hose clamp (1) at the water pump using J 38185 Hose Clamp Pliers .
  6. Disconnect the radiator inlet hose (2) from the water pump.
  7. Remove the radiator inlet hose from the vehicle.

Installation Procedure

    Caution: Make sure the reference marks on the hoses and the radiator are lined up. A twist on the hose would place strain on the radiator fitting which could cause the fitting to crack or break.

    Note: Lubricate the inside diameters of the hose with clean coolant prior to installation.

  1. Install the radiator inlet hose to the vehicle.

    2. Object Number: 2100441 Size: SH
  2. Connect the radiator inlet hose (2) to the water pump.
  3. Engage tension on the radiator inlet hose clamp (1) at the water pump using J 38185 Hose Clamp Pliers .

    4. Object Number: 2100439 Size: SH
  4. Connect the radiator inlet hose (2) to the radiator.
  5. Connect the radiator inlet hose quick connect fitting (1) at the radiator.
  6. Install the radiator support. Refer to Radiator Support Replacement.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling.